Biology, 22.07.2019 01:30 lakenyahar
Why do animals have adaptations? a. there is competition for the same food sources. b. ecosystems can change. c. special body parts and behaviors are needed for survival. d. all of the above
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Biology, 22.06.2019 08:00
Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?
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Biology, 22.06.2019 10:10
20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planetsβ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
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Biology, 22.06.2019 18:00
Which of the following can be assumed about the layers in areas 2 and 4
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Biology, 22.06.2019 18:30
Match the enzymes to their role in the dna replication process
Answers: 1
Why do animals have adaptations? a. there is competition for the same food sources. b. ecosystems...
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